// cookies methods set / get & 

function getDomainName(hostName)
{
  return hostName.substring(hostName.lastIndexOf(".", hostName.lastIndexOf(".") - 1) + 1);
}

export function setCookie(cname,cvalue,exdays) {
  var d = new Date();
  d.setTime(d.getTime() + (exdays*24*60*60*1000));
  var expires = "expires=" + d.toGMTString();
  document.cookie = cname + "=" + cvalue + ";" + "domain="+ getDomainName(window.location.hostname) + ";"  + expires + ";path=/";
}

//Set-Cookie: name=value; domain=example.com

export function getCookie(cname) {
  var name = cname + "=";
  var decodedCookie = decodeURIComponent(document.cookie);
  var ca = decodedCookie.split(';');
  for(var i = 0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0) == ' ') {
      c = c.substring(1);
    }
    if (c.indexOf(name) == 0) {
      return c.substring(name.length, c.length);
    }
  }
  return "";
}

export function deleteCookie(name) {
  //document.cookie = "username=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;";

  const cookieString = `${name}=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/; domain=.${getDomainName(window.location.hostname)};`
  console.log(getDomainName(window.location.hostname))
  console.log(cookieString)
  document.cookie = cookieString
};

/*
export function checkCookie() {
  var user=getCookie("username");
  if (user != "") {
    alert("Welcome again " + user);
  } else {
     user = prompt("Please enter your name:","");
     if (user != "" && user != null) {
       setCookie("username", user, 30);
     }
  }
}*/